Madrid Open: Nicolai Budkov Kjaer vs Reilly Opelka
Prediction market · Polymarket
Overview
This market refers to the tennis match between Nicolai Budkov Kjaer and Reilly Opelka in the Madrid Open, originally scheduled for April 23, 2026 at 5:00AM ET. This market will resolve to 'Nicolai Budkov Kjaer' if Nicolai Budkov Kjaer advances against Reilly Opelka. This market will resolve to 'Reilly Opelka' if Reilly Opelka advances against Nicolai Budkov Kjaer. If the match is canceled (not played at all), ends in a tie, or is delayed beyond 7 days from the scheduled date without a winner determined, this market will resolve to 50-50. If the match begins but is not completed, and one player advances due to the opponent's retirement, default, or disqualification, this market will resolve to the player who advances. If the match ends in a walkover (player withdraws before the start and the other advances automatically), this market will resolve to 50-50. The primary resolution source will be official information from the ATP Tour. A consensus of credible reporting may also be used.
Ticker
atp-kjaer-opelka-2026-04-23
Volume
121
24h volume
121
1w volume
121
Open interest
93
Liquidity
16.8K
Liquidity CLOB
16.8K
Start
Apr 21, 2026
End
Apr 30, 2026
Status
Active
Access
Restricted
Created
Apr 23, 2026
Resolution source
https://www.atptour.com/en/scores/current
Event ID
404391
Slug
atp-kjaer-opelka-2026-04-23
Markets
10
Raw event data
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"question": "Nicolai Budkov Kjaer vs. Reilly Opelka: Total Sets O/U 2.5",
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"context_requires_regen": true,
"context_updated_at": "2026-04-22T05:44:14.169Z",
"league": "Madrid Open"
},
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"name": "Nicolai Budkov Kjaer",
"league": "atp",
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"abbreviation": "kjaer",
"createdAt": "2025-10-17T22:00:03.565844Z",
"updatedAt": "2025-11-05T00:20:20.719734Z",
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{
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"name": "Reilly Opelka",
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"abbreviation": "opelka",
"createdAt": "2025-10-17T22:00:03.04421Z",
"updatedAt": "2025-11-07T22:35:53.727594Z",
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}- Kjaer vs. Opelka: Set 1 Games O/U 8.5Vol —Liq 2.8KEnd Apr 30, 2026OpenOrder book
- Nicolai Budkov Kjaer vs. Reilly Opelka: Total Sets O/U 2.5Vol —Liq 216End Apr 30, 2026OpenOrder book
- Kjaer vs. Opelka: Match O/U 21.5Vol —Liq 4End Apr 30, 2026OpenOrder book
- Kjaer vs. Opelka: Set 1 Games O/U 10.5Vol —Liq 4End Apr 30, 2026OpenOrder book
- Kjaer vs. Opelka: Match O/U 23.5Vol —Liq 547End Apr 30, 2026OpenOrder book
- Kjaer vs. Opelka: Match O/U 22.5Vol —Liq 4End Apr 30, 2026OpenOrder book
- Set Handicap: Opelka (-1.5) vs Kjaer (+1.5)Vol —Liq 2.4KEnd Apr 30, 2026OpenOrder book
- Set 1 Winner: Kjaer vs OpelkaVol —Liq 1.8KEnd Apr 30, 2026OpenOrder book
- Madrid Open: Nicolai Budkov Kjaer vs Reilly OpelkaVol 121Liq 8.9KEnd Apr 30, 2026OpenOrder book
- Kjaer vs. Opelka: Set 1 Games O/U 9.5Vol —Liq 175End Apr 30, 2026OpenOrder book